Home / 20,008.32-27,610.74-11,055.64

Finding the Fourth Proportional to 20,008.32, 27,610.74 and 11,055.64

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Solution

The fourth proportional to 20,008.32, 27,610.74 and 11,055.64 is: 15,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.32 : 27,610.74 = 11,055.64 : x
  2. Step 2: Convert to fraction form
    20,008.32/27,610.74 = 11,055.64/x
  3. Step 3: Cross multiply
    20,008.32x = 27,610.74 × 11,055.64
  4. Step 4: Simplify right side
    20,008.32x = 305,254,401.57
  5. Step 5: Solve for x
    x = 305,254,401.57/20,008.32
  6. Step 6: Final answer
    x = 15,256.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.